EP1935826B1 - Système d'élévation - Google Patents

Système d'élévation Download PDF

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Publication number
EP1935826B1
EP1935826B1 EP20070122665 EP07122665A EP1935826B1 EP 1935826 B1 EP1935826 B1 EP 1935826B1 EP 20070122665 EP20070122665 EP 20070122665 EP 07122665 A EP07122665 A EP 07122665A EP 1935826 B1 EP1935826 B1 EP 1935826B1
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EP
European Patent Office
Prior art keywords
lift
cage
strand
support means
drive pulley
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP20070122665
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German (de)
English (en)
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EP1935826A1 (fr
Inventor
Hans Kocher
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Inventio AG
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Inventio AG
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Filing date
Publication date
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Priority to EP20070122665 priority Critical patent/EP1935826B1/fr
Publication of EP1935826A1 publication Critical patent/EP1935826A1/fr
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Publication of EP1935826B1 publication Critical patent/EP1935826B1/fr
Expired - Fee Related legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • B66B11/0095—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave where multiple cars drive in the same hoist way

Definitions

  • the invention relates to an elevator system according to the preamble of claim 1.
  • Elevator systems of this type are known, for example from the EP-1 329 412-A1 ,
  • the elevator system described therein has two elevator cars in a common elevator shaft, each with a drive and with only one common counterweight.
  • a disadvantage of this known system is, inter alia, that the drive or the traction for the two elevator cars is not uniform. This can lead to, for example, the support means are loaded unevenly, which is undesirable.
  • the object of the invention is therefore to propose an elevator system of the type mentioned, with which the disadvantages of the prior art are avoided.
  • Fig. 1A . 1B and 1C show a first embodiment of an elevator system 10 according to the invention. These are highly schematic side views or sections, by means of which the basic elements of the invention will be explained.
  • a lower elevator car K1 and an upper elevator car K2 of the new elevator system 10 are located one above the other in a common elevator shaft 11.
  • the counterweight 12 is at an upper counterweight Umlenkrollenan für hereinafter 12.1 in a so-called 2: 1 suspension suspended.
  • the term of a counterweight deflection roller is also to be understood as meaning a roller arrangement having more than one roller. With v1 a speed of the lower elevator car K1, with v2 a speed of the upper elevator car K2 and with v3 a speed of the counterweight 12 is indicated.
  • the drive means comprise a first drive arrangement for the lower elevator car K1 and a second drive arrangement for the upper elevator car K2.
  • the first drive arrangement associated with the lower elevator car K1 comprises a first motor M.A1 and a second motor M.B1.
  • the motors M.A1 and M.B1 are synchronized (eg electric or electronic).
  • the first motor M.A1 is coupled to a first traction sheave 13.A1.
  • the second motor M.B1 is coupled to a second traction sheave 13.B1.
  • the second drive arrangement which is associated with the upper elevator car K2, has a third motor M.AB2.
  • the third motor M.AB2 is coupled via a common shaft to a third traction sheave 13.A2 and a fourth traction sheave 13.B2. That is, in this preferred embodiment, a common motor M.AB2 is provided for driving two traction sheaves 13.A2 and 13.B2.
  • two separate motors can also be used here.
  • the new elevator system 10 further comprises a flexible support means TA, TB, which essentially consists of a first suspension element strand TA and a second suspension element strand TB.
  • the suspension element strands TA and TB each have a first end and a second end.
  • each of the suspension element strands TA and TB is formed by two or more parallel suspension element elements, for example by two straps or two cables.
  • each suspension element strand TA and TB may also comprise only one strap or one rope.
  • the supporting structure of these suspension element strands TA and TB is advantageously made of steel, aramid or Vectran.
  • the first traction sheave 13.A1 and the second traction sheave 13.A2 are assigned to the first suspension element line TA, while the third traction sheave 13.B1 and the fourth traction sheave 13.B2 are assigned to the second suspension element line TB.
  • the motor M.A1 and the traction sheave 13.A1 for the lower elevator car K1 are arranged at a first height.
  • the motor M.B1 and the traction sheave 13.B1, also for the lower elevator car K1 are arranged at a second height.
  • the motor M.AB2 and the traction sheaves 13.A2 and 13.B2 for the upper elevator car K2 are also arranged in the second height.
  • the second altitude is below the first altitude. This arrangement is advantageous but not mandatory.
  • the elevator system 10 may also have four motors, in which case each traction sheave or each end of the suspension element strands is assigned its own motor. However, it is essential for the desired uniform traction that each end of the suspension element strands is assigned its own traction sheave in order to be able to introduce the driving forces equally into the suspension element strands TA, TB.
  • the new elevator system 10 comprises a plurality of deflection rollers, in the present example a first deflection roller 14.A1, a second deflection roller 14.A2 for the first suspension element line TA, a third deflection roller 14.B1 for the second suspension element line TB, and a fourth deflection roller 14. A3, 14.B2 for the two suspension element strands TA and TB.
  • the lower elevator car K1 has in its lower cabin area B1 a first attachment area 15.1 and a second attachment area 15.11, which are arranged laterally on opposite sides of the elevator car K1.
  • the upper elevator car K2 has in its upper cabin area on a third mounting portion 15.2 and a fourth mounting portion 15.22, which are arranged at least approximately centrally and practically coincide in the present embodiment at 15.2 / 15.22 practically.
  • Fig. 1A they are shown for reasons of clarity of drawing without horizontal distance.
  • the suspension element strands TA, TB are fixed, such that each of the elevator cars K1 and K2 is suspended from both suspension struts TA and TB.
  • the elevator cars K1 and K2 are in such a way Suspended 1: 1 suspension to the suspension element strands TA and TB, as described in detail below.
  • the first suspension element strand TA runs from the first attachment region 15.1 to the lower elevator car K1, where it is fastened by its first end, upwards and directly to the first traction sheave 13.A1.
  • the first suspension element strand TA runs, for example, via the first deflection roller 14.A1 and the second deflection roller 14.A2 downwards to the upper counterweight deflection roller 12.1. From the latter, the first propellant strand TA runs upwards, via the deflection roller 14.A3 on to the third traction sheave 13.A2, and from this directly to the central attachment region 15.2 / 15.22 on the upper elevator car K2, where it is fastened with its second end.
  • the second suspension element strand TB runs upwards from the second fastening region 15.11 on the lower elevator car K1 and directly to the second traction sheave 13.B1. From the latter, the second suspension element strand TA runs via the fourth deflection roller 14.B1 downwards to the upper counterweight deflection roller 12.1. From the latter, the second propellant strand TA runs upwards, via the deflection roller 14.B2 on to the fourth traction sheave 13.B2 and from this directly to the central attachment point 15.2 / 15.22 on the upper elevator car K2.
  • Fig. 1C shows how the force is introduced by the suspension element strands TA and TB for the elevator car K1.
  • Fig. 1D shows an alternative to it.
  • the Fig. 1A . 2 and 3 show an advantageous arrangement of the traction sheaves 13.A1, 13.B1, 13.A2, 13.B2 in the uppermost region of the elevator shaft 11.
  • the traction sheaves 13.A1, 13.B1, 13.A2, 13.B2 are vertical, that means with horizontal axes, like out Fig. 3 visible, arranged.
  • a guide device for the vertical guidance of the cabins K1 and K2 in the elevator shaft 11 comprises two stationary guide rails 19.1 and 19.11 which extend vertically along opposite sides of the elevator shaft 11 and are fastened thereto in a manner not shown.
  • the guide device also includes guide bodies, not shown.
  • each of the cabs K1 and K2 preferably two guide bodies are mounted in a vertically aligned arrangement, which cooperate with the respective guide rails 19.1 and 19.11.
  • the guide body on one side of the cabs K1, K2 are advantageously mounted in as large a height as possible.
  • the guide rails 19.1 and 19.11 are arranged above the counterweight 12.
  • Another guide device with two guide rails 19.2, 19.22 is arranged in the region of the narrow sides of the counterweight 12 and serves to guide the counterweight 12th
  • the first suspension element strand TA starting from the first fastening point 15.1 on the lower elevator car K1, runs along the same side of the elevator shaft 11 as the guide rail 19.1.
  • the second suspension element strand TB starting from the second fastening point 15.11 on the lower elevator car K1, runs along the same side of the elevator shaft 11 as the guide rail 19.11.
  • Fig. 1C shows the same lower elevator car K1, but with the attachment points 15.1 and 15.11 in the upper cabin area.
  • Fig. 2 shows a second embodiment of the invention. This includes all with respect to the Fig. 1A . 1B and 1C described constructive elements and an additional device to the suspension element strands TA and TB better tension and the elevator cars K1 and K2 and the counterweight 12 to perform better.
  • the elevator system 10 includes for this purpose a lower counterweight pulley 12.2, which is suspended from the counterweight 12.
  • a lower counterweight pulley 12.2 Centrally located at the lower area B1 of the lower elevator car K1 are a fifth mounting area 15.3 and a sixth mounting area 15.33, which practically coincide at 15.3 / 15.33.
  • a seventh attachment point 15.4 and an eighth attachment point 15.44 are in the present embodiment close to those sides of the elevator shaft 11, on which the guide rails 19.1, 19.11 extend.
  • the seventh and eighth fastening points 15.4, 15.44 are located in the upper region of the elevator car K2.
  • a flexible tensioning means SA, SB essentially consists of a first tensioning medium strand SA and a second tensioning medium strand SB.
  • Each of the tensioner strands SA and SB has a first end and a second end.
  • each of the tensioning means strands SA, SB is formed by two or more parallel clamping means elements, such as by two belts or two cables.
  • each suspension element strand SA, SB may also comprise only one belt or one rope.
  • the load-bearing structure of these suspension element strands SA, SB is advantageously made of steel, aramid or Vectran.
  • the first and second attachment regions 15.1, 15.11 and the fifth and sixth attachment regions 15.3, 15.33 are located together in the lower region B1 of the cabin K1 or depending on a lower area B1 or upper area of the cabin K1. If the first and second fastening regions 15.1, 15.11 are located in the upper region of the cabin K1, the advantage lies in the use of shorter suspension element strands TA, TB. If the first and second fastening areas 15.1, 15.11 are located together with the fifth and sixth fastening areas 15.3, 15.33 in the lower area B1 of the cabin K1, the advantage lies in the simple construction of the cabin K1.
  • the force-introducing structure consists essentially of a simple bar.
  • Analogous reasoning also applies to the third, fourth, seventh and eighth attachment areas 15.2, 15.22, 15.4, 15.44, which are located either together in the upper area of the cabin K2 or each in an upper area or lower area B2 of the cabin K2. If the seventh and eighth attachment areas 15.4, 15.44 are located in the lower area B2 of the cabin K2, the advantage lies in the use of shorter tensioning means strands SA, SB. If the seventh and eighth attachment regions 15.4, 15.44 together with the third and fourth attachment regions 15.2, 15.22 are located in the upper region of the cabin K2, the advantage lies in the simple design of the cabin K1.
  • the force-introducing structure consists essentially of a simple bar.
  • a plurality of deflecting rollers are arranged in the lower region of the elevator shaft 11.
  • two tension rollers 16.A1, 16.A2 for the first tensioning means TA and two tensioning rollers 16.B1, 16.B2 for the second tensioning means TB.
  • two auxiliary rollers 17.A1 and 17.A2 are provided for the first tensioning means TA and two auxiliary rollers 17.B1, 17.B2 for the second tensioning means TB.
  • a biasing arrangement 16 is provided.
  • the first tensioning medium strand SA is with its first end at the central fastening region 15.3 / 15.33 of the lower Elevator car K1 attached and runs from there to the tension rollers 16.A1 and 16.A2 to the lower counterweight pulley 12.2. From the lower counterweight deflection roller 12.2, the first tensioning means strand SA runs via the deflection rollers 17.A1 and 17.A2 to the seventh fastening region 15.4 on the upper elevator car K2, where it is fastened by its second end.
  • the second tensioning means SB is fastened with its first end to the central fastening region 15.3 / 15.33 of the lower elevator car K1 and runs from there around the tensioning rollers 16.B1 and 16.B2 to the lower counterweight deflection roller 12.2. From the lower counterweight deflection roller 12.2, the second tensioning means SB passes via the deflection rollers 17.B1 and 17.B2 to the eighth fastening area 15.44 at the upper elevator car K2, where it is fastened with its second end.
  • Fig. 3 is an enlarged view of the Fig. 1B in which details are shown, in Fig. 1C not appear or not clear. Shown in particular are a first vertical center plane E1, a second vertical center plane E2, a first vertical diagonal plane D1 and a second vertical diagonal plane D2.
  • the first attachment area 15.1 and the second attachment area 15.11 are in the lower cabin area on opposite sides of the lower elevator car K1, on opposite sides of the first vertical center plane E1 and on opposite sides of the second vertical center plane E2, by a substantially centrally symmetric, ie balanced, force introduction to ensure in the elevator car K1 (in Fig. 3 not recognizable).
  • This balanced introduction of force has the advantage that it comes to less friction and wear on the guide rails.
  • the occurrence of audible or noticeable blows while driving is significantly reduced.
  • the attachment area 15.2 / 15.22 is located centrally on the upper cabin area of the upper elevator car K1, so that here too a centric introduction of force takes place (in Fig. 3 not recognizable).
  • Fig. 3 also shows that at least three motors M.AB2, M.A1, M.B1 are provided for driving the four traction sheaves 13.A, 13.A2, 13.B1, 13.B2.
  • the elevator system 10 additionally has a fourth motor, which drives the traction sheave 13.B2.
  • each drive pulley 13.A, 13.A2, 13.B1, 13.B2 is thus assigned a motor.
  • each car K1, K2 is allocated up to two motors M.AB2, M.A1, M.B1. Accordingly, the single motor must generate up to half the torque and can thus be designed much smaller.
  • the advantage of such an arrangement is an extremely flexible and space-saving positioning of the motors M.AB2, M.A1, M.B1 in the upper region of the elevator shaft 11.
  • each of the traction sheaves 13.A, 13.A2, 13.B1, 13.B2 above the elevator car K2 led to the rear side of the elevator shaft 11 and from there laterally deflected past the elevator cars K1, K2 in the direction of the counterweight 12.
  • These additional pulleys allow the use of small traction sheaves 13.A, 13.A2, 13.B1, 13.B2.
  • Small traction sheaves have the advantage that 10 lower drive torques are required for the operation of the elevator system. Accordingly, smaller motors can be used. This results in a further even more flexible and space-saving positioning of the motors, traction sheaves and pulleys in the upper region of the hoistway 11.
  • these traction sheaves can also be arranged obliquely with respect to the center plane E2.
  • the traction sheaves 13.A1, 13.B1 are in particular at an angle to one another and, in conjunction with the associated deflection rollers 14.A1, 13.A2, 14.B1, permit a corresponding oblique guidance of the suspension element struts TA, TB above the elevator car K2 towards Projection of the upper counterweight pulley 12.1.
  • the advantage of this oblique converging guide is the use of small upper counterweight pulleys 12.1

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Claims (11)

  1. Système d'ascenseur (10) avec
    - une cabine d'ascenseur inférieure (K1),
    - une cabine d'ascenseur supérieure (K2),
    - un contrepoids commun (12),
    - un moyen porteur (TA, TB) pour porter les cabines inférieure et supérieure (K1, K2),
    - des moyens d'entraînement pour entraîner les cabines inférieure et supérieure (K1, K2),
    - et une gaine d'ascenseur commune (11) dans laquelle la cabine supérieure (K2) et la cabine inférieure (K1) se déplacent verticalement indépendamment l'une de l'autre et dans laquelle sont disposés les moyens d'entraînement,
    étant précisé que le moyen porteur (TA, TB) comprend
    - un premier brin (TA) avec des première et seconde extrémités, et
    - un second brin (TB) avec des première et seconde extrémités,
    étant précisé que
    - les moyens d'entraînement comprennent quatre poulies motrices (13.A1, 13.A2, 13.B1, 13.B2) qui sont disposées de telle sorte
    - que la première poulie motrice (13.A1) et la deuxième poulie motrice (13.A2) sont associées au premier brin de moyen porteur (TA) et
    - que la troisième poulie motrice (13.B1) et la quatrième poulie motrice (13.B2) sont associées au second brin de moyen porteur (TB),
    caractérisé en ce que les moyens d'entraînement comprennent un premier moteur (M.A1) pour entraîner la première poulie motrice (13.A1), un deuxième moteur (M.B1) pour entraîner la troisième poulie motrice (13.B1), et un troisième moteur (M.AB2) pour entraîner la deuxième poulie motrice (13.A2) et la quatrième poulie motrice (13.B2) par l'intermédiaire d'un arbre commun.
  2. Système d'ascenseur (10) selon la revendication 1, caractérisé en ce que la cabine d'ascenseur inférieure (K1) est suspendue de manière équilibrée à deux zones de fixation opposées séparées (15.1, 15.11), la première extrémité du premier brin de moyen porteur (TA) étant fixée à une première zone latérale (15.1), et la première extrémité du second brin de moyen porteur (TB) étant fixée à une seconde zone de fixation (15.11).
  3. Système d'ascenseur (10) selon la revendication 1 ou 2, caractérisé en ce que la cabine d'ascenseur supérieure (K2) est suspendue dans une zone de fixation supérieure centrale commune (15.2/15.22) à une seconde extrémité du premier brin de moyen porteur (TA) et à une seconde extrémité du second brin de moyen porteur (TB).
  4. Système d'ascenseur (10) selon la revendication 1, 2 ou 3, caractérisé en ce que les moyens d'entraînement comprennent quatre moteurs, à savoir un moteur pour chaque poulie motrice (13.A1, 13.A2, 13.B1, 13.B2).
  5. Système d'ascenseur (10) selon la revendication 3, caractérisé en ce que les zones de fixation opposées (15.1, 15.11) se trouvent dans une zone inférieure (B1) de la cabine d'ascenseur inférieure (K1).
  6. Système d'ascenseur (10) selon la revendication 3, caractérisé en ce que les zones de fixation opposées (15.1, 15.11) se trouvent dans une zone supérieure de la cabine d'ascenseur inférieure (K1).
  7. Système d'ascenseur (10) selon la revendication 3, 5 ou 6, caractérisé en ce que la zone de fixation centrale (15.2/15.22) se trouve dans une zone supérieure de la cabine d'ascenseur supérieure (K2).
  8. Système d'ascenseur (10) selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu des moyens de tension (16, 16.A1, 16.A2, 16.B1, 16.B2, 17.A1, 17.A2, 17.B1, 17.B2, SA, SB) qui exercent sur la cabine inférieure (K1) et sur la cabine supérieure (K2) des forces de traction dirigées vers le bas et qui sont reliés au contrepoids (12) par l'intermédiaire d'une ou plusieurs poulies de renvoi inférieure de contrepoids (12.2).
  9. Système d'ascenseur (10) selon la revendication 8, caractérisé en ce que les moyens de tension (16, 16.A1, 16.A2, 16.B1, 16B2, 17.A1, 17.A2, 17.B1, 17.B2, SA, SB) comportent un moyen de tension préliminaire (16) avec deux poulies de tension (16.A1, 16.A2) pour un premier brin de moyen de tension (SA) et avec deux autres poulies de tension (16.B1, 16.B2) pour un second brin de moyen de tension (SB).
  10. Système d'ascenseur (10) selon la revendication 9, caractérisé en ce que les brins de moyen de tension (SA, SB) se composent de câbles ou de courroies.
  11. Système d'ascenseur (10) selon l'une des revendications précédentes, caractérisé en ce que les brins de moyen porteur (TA, SA) se composent de câbles ou de courroies.
EP20070122665 2006-12-14 2007-12-07 Système d'élévation Expired - Fee Related EP1935826B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20070122665 EP1935826B1 (fr) 2006-12-14 2007-12-07 Système d'élévation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06126175 2006-12-14
EP20070122665 EP1935826B1 (fr) 2006-12-14 2007-12-07 Système d'élévation

Publications (2)

Publication Number Publication Date
EP1935826A1 EP1935826A1 (fr) 2008-06-25
EP1935826B1 true EP1935826B1 (fr) 2011-05-11

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EP20070122665 Expired - Fee Related EP1935826B1 (fr) 2006-12-14 2007-12-07 Système d'élévation

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5578477B2 (ja) 2008-12-18 2014-08-27 トマ アウフツゲ ゲーエムベーハー エレベータ設備用の昇降路骨組

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1837643A (en) * 1931-03-28 1931-12-22 Otis Elevator Co Elevator system
JPH07187525A (ja) * 1993-11-18 1995-07-25 Masami Sakita 複数ばこエレベータシステム
EP1329412B1 (fr) 2000-10-10 2009-12-09 Mitsubishi Denki Kabushiki Kaisha Dispositif d'ascenseurs
ES2341550T3 (es) * 2005-03-12 2010-06-22 Thyssenkrupp Elevator Ag Sistema de ascensor.

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